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The olfactory response of insect vectors such as phlebotomine sand flies is a key facet for investigating their interactions with vertebrate hosts and associated vector-borne pathogens. Such studies are mainly performed by assessing the electrophysiological response and the olfactory behaviour of these arthropods towards volatile organic compounds (VOCs) produced by hosts. Nonetheless, few studies are available for species of the subgenera Lutzomyia and Nyssomyia in South America, leaving a void for Old World sand fly species of the genus Phlebotomus.

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Background: Malaria incidence in the Greater Mekong Subregion has been on the decline, and most remaining malaria risk in the region is concentrated among hard-to-reach populations, especially those with exposure to forested areas. New vector control tools focused on outdoor protection in forest settings are needed for these populations.

Methods: The delivery of a 'forest pack' containing a volatile pyrethroid spatial repellent (VPSR), a topical repellent, and pyrethroid treatment of clothing was evaluated in an operational study in Cambodia.

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Background: Ticks (Acari: Ixodida) pose a serious medical and veterinary threat as vectors of tick-borne pathogens. The wide variety of tick repellents available on the market primarily consist of synthetic preparations that may disrupt the ecological balance and accumulate in the environment, leading to harmful effects on humans and animals. The aim of the study was to develop an ecological preparation based on natural raw materials (biopolymers) with the addition of a mixture of essential oils that act as tick repellents.

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Parasitism Affects Entomofauna Dynamics in Infected and Uninfected Plants: A Case Study of Parasitizing .

Insects

November 2024

Applied Biology Section, Department of Biology, Faculty of Science, Hacettepe University, 06800 Ankara, Türkiye.

and exhibit a parasitic relationship. serves as a rich food resource for insects due to its abundant nectar. demonstrates host specificity towards .

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Therapeutic potential of 2S-hesperidin against the hepatotoxic effects of dichlorvos in rats.

Food Chem Toxicol

December 2024

Clinical Biochemistry and Mechanistic Toxicology Research Cluster, Department of Biochemistry, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria.

Dichlorvos (DDVP) is an organophosphate insecticide that enhances food production and repels disease vectors. However, it provokes cytotoxicity. 2S-hesperidin (2S-HES) is a potent antioxidant, anti-inflammatory, and anti-lipidemic flavanone.

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